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300-365 · Question #145

Which three values make up the combination for Ease calculation in AWPP path selection? (Choose three.)

The correct answer is A. coefficient based on SNR E. hop value F. SNR. AWPP calculates an 'Ease' metric using the raw SNR, an SNR-derived coefficient, and a hop value penalty to determine the optimal backhaul path to the root AP.

Wireless Deployment

Question

Which three values make up the combination for Ease calculation in AWPP path selection? (Choose three.)

Options

  • Acoefficient based on SNR
  • Blink budget
  • CRx sensitivity
  • Dgain
  • Ehop value
  • FSNR

How the community answered

(45 responses)
  • A
    93% (42)
  • B
    2% (1)
  • C
    4% (2)

Why each option

AWPP calculates an 'Ease' metric using the raw SNR, an SNR-derived coefficient, and a hop value penalty to determine the optimal backhaul path to the root AP.

Acoefficient based on SNRCorrect

A coefficient based on SNR is a normalized multiplier derived from the measured SNR between two mesh nodes and is a direct arithmetic input into the AWPP Ease formula, scaling the quality component of the metric.

Blink budget

Link budget is a general RF engineering planning tool used to verify theoretical path feasibility but is not one of the discrete inputs in the AWPP Ease formula used during runtime path selection.

CRx sensitivity

Rx sensitivity is a fixed hardware specification describing the minimum detectable signal power of a radio and is not a dynamic variable factored into the AWPP Ease calculation.

Dgain

Antenna gain is a physical hardware characteristic used in link budget design calculations but is not a separate component included in the AWPP Ease metric formula.

Ehop valueCorrect

The hop value represents the number of hops required to reach the root AP and is subtracted from the SNR-based component in the Ease formula - paths with more hops receive a lower Ease score, biasing selection toward shorter routes.

FSNRCorrect

The raw SNR value between adjacent mesh nodes is the foundational RF link quality measurement that drives the Ease calculation, reflecting actual link conditions between a MAP and its upstream neighbor.

Concept tested: AWPP Ease metric inputs for mesh path selection

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/b_cg85_chapter_010110.html

Topics

#AWPP#mesh path selection#SNR#hop value

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